Cummins engines used in Ram Heavy-duty trucks are famous for making insane performance gains with simple upgrades. Road-going truck owners just need to toe the line and keep their modified diesels ...

Engineers put a lot of hours into making the 2014 Chevrolet Cruze Clean Turbo Diesel a segment leader in EPA-estimated highway mileage. And one of the tricks they used to get there was something ...

While carbon buildup happens on essentially all engines, gasoline, diesel, N/A, or boosted, it's an increased concern in GDI engines. Standard Electronic Fuel Injection features injectors higher in ...